Plumbing

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13 Plumbing Tricks of the Trade for Weekend Plumbers
Metal drain lines under sinks look a lot more reliable than plastic. But plastic is better in almost every way. It's cheaper, easier to install, and easier to adjust or tighten if a leak develops. And unlike metal, plastic won't corrode. So when a metal drain leaks, often the smartest move is to replace the entire assembly with plastic.